import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css'// progress bar style
import { getToken } from '@/utils/auth' // getToken from cookie

NProgress.configure({ showSpinner: false })// NProgress Configuration

// permission judge function
function hasPermission(perms, permissions) {
  if (perms=='*') return true // admin permission passed directly
  if (!permissions) return true
  return permissions.indexOf(perms)!=-1
}

const whiteList = ['/login', '/auth-redirect']// no redirect whitelist

router.beforeEach((to, from, next) => {
  NProgress.start() // start progress bar
  if (to.path === '/login' || to.path === '/resetPassword') {
      next() // 否则全部重定向到登录页
      NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
  } else {
    if (store.getters.perms == -1) { // 判断当前用户是否已拉取完user_info信息
      store.dispatch('GetUserInfo').then(res => { // 拉取user_info
        const perms = res.data.userType-0 // note: perms must be a array! such as: ['GET /aaa','POST /bbb']
        // const perms = 0 // note: perms must be a array! such as: ['GET /aaa','POST /bbb']
        store.dispatch('GenerateRoutes', { perms }).then(() => { // 根据perms权限生成可访问的路由表
          router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
          next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
        })
        store.dispatch('GetNews');
      }).catch((err) => {
        next({ path: '/login' })
        // store.dispatch('FedLogOut').then(() => {
        //   Message.error(err || 'Verification failed, please login again')
        //   next({ path: '/' })
        // })
      })
    } else {
      store.dispatch('GetNews');
      // 没有动态改变权限的需求可直接next() 删除下方权限判断 ↓
      if (hasPermission(store.getters.perms, to.meta.perms)) {
        next()
      } else {
        next({ path: '/401', replace: true, query: { noGoBack: true }})
      }
    }
  }
})

router.afterEach(() => {
  NProgress.done() // finish progress bar
})
